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FNL to KLS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Kelso (Southwest Washington Regional Airport)
978 mi
1,574 km · 850 nm
2h 36m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FNL→KLS fares Phone-only fares on this route — call free
Flight time details
978 miles nonstop takes roughly 2h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- KLS — Southwest Washington Regional Airport · Kelso, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is FNL from KLS?
The flight distance from Fort Collins (FNL) to Kelso (KLS) is 978 miles (1,574 km, 850 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to KLS?
A nonstop flight takes about 2h 36m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Collins and Kelso?
Kelso is 1 hour behind Fort Collins.
What is the cheapest way to fly from FNL to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–KLS that never appear on search engines, with no booking fees.